Venting Features of a Portable Electronic Device

1. An electronic device having an enclosure that includes an internal volume, the enclosure having a through hole that opens to the internal volume, the electronic device comprising: an audio component disposed in the internal volume; and a vent assembly positioned within the internal volume between the through hole and the audio component, the vent assembly comprising: a first adhesive layer having a first opening, a membrane secured with the first adhesive layer and covering the through hole, the membrane having a material that prevents liquid exposure to the audio component while permitting transmission of audible sound, a second adhesive layer secured with the membrane and having a second opening aligned with the first opening, and a support layer secured with the second adhesive layer and having a support layer opening aligned with the second opening, wherein the membrane includes a material that allows air to enter and exit the internal volume via the through hole.

2. The electronic device of claim 1 , further comprising: a third adhesive layer having a third opening aligned with the support layer opening; an operational component positioned in the internal volume; and a circuit secured with the third adhesive layer and electrically coupled with the operational component, wherein when the circuit provides a force to the vent assembly in a first direction, the second adhesive layer provides a counterforce in a second direction opposite the first direction.

3. The electronic device of claim 2 , wherein the first adhesive layer includes a first stiffness, and wherein the second adhesive layer includes a second stiffness greater than the first stiffness.

4. The electronic device of claim 2 , wherein the first adhesive layer includes a first adhesive strength, and wherein the second adhesive layer includes a second adhesive strength less than the first adhesive strength.

5. The electronic device of claim 2 , wherein the operational component comprises a microphone.

6. The electronic device of claim 1 , wherein the membrane comprises polytetrafluoroethylene.

7. The electronic device of claim 1 , further comprising a bracket positioned in the enclosure and aligned with the through hole, the bracket adhesively secured with the vent assembly via the first adhesive layer.

8. The electronic device of claim 1 , wherein the a second opening includes a size and shape in accordance with the first opening.

9. An electronic device, comprising: an enclosure having a through hole; and a vent assembly carried by the enclosure, the vent assembly capable of preventing liquid ingress into the through hole, the vent assembly comprising: a first adhesive layer that secures with the enclosure, the first adhesive layer having an opening, a membrane secured with the first adhesive layer and covering the opening and the through hole, the membrane having a material that permits airflow through the membrane while preventing the liquid ingress, and a second adhesive layer secured with the membrane, the second adhesive layer comprising a web region that supports the membrane.

10. The electronic device of claim 9 , further comprising a mesh material that combines with the second adhesive layer, wherein the second adhesive layer includes: a first surface adhesively secured with the membrane, and a second surface adhesively secured with the mesh material, the second surface opposite the first surface.

11. The electronic device of claim 10 , wherein the mesh material comprises a porous region, and wherein the second adhesive layer is at least partially embedded in the porous region.

12. The electronic device of claim 9 , wherein the web region comprises: a first adhesive rib; and a second adhesive rib, wherein the first adhesive rib and the second adhesive rib define a second opening that allows the airflow, received by the membrane, to pass through the second adhesive layer.

13. The electronic device of claim 9 , further comprising a third adhesive layer that secures with an additional component, wherein the mesh material includes: a first surface adhesively secured with the second adhesive layer, and a second surface adhesively secured with the third adhesive layer, the second surface opposite the first surface.

14. The electronic device of claim 13 , wherein the additional component comprises a support layer secured with the third adhesive layer.

15. The electronic device of claim 9 , wherein the first adhesive layer further comprises: a second opening; and a rib separating the opening from the second opening.